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Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology Volume 32, 1997 - Issue 8
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Original Articles

Effect of seepage from a gold mine slime dam on thetrace heavy metal levels of a nearby receiving streamand dam in zimbabwe

M F Zaranyika Chemistry Department, University of Zimbabwe, P.O. Box MP 167 Mount Pleasant, Harare, Zimbabwe
,
T T Mukono Chemistry Department, University of Zimbabwe, P.O. Box MP 167 Mount Pleasant, Harare, Zimbabwe
,
N Jayatissa Chemistry Department, University of Zimbabwe, P.O. Box MP 167 Mount Pleasant, Harare, Zimbabwe
&
M T Dube Chemistry Department, University of Zimbabwe, P.O. Box MP 167 Mount Pleasant, Harare, Zimbabwe
Pages 2155-2168 | Received 24 Mar 1997, Accepted 29 Apr 1997, Published online: 15 Dec 2008
 
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Abstract

The effect of seepage from a gold mine slime dam on the levels of trace heavy metals in a nearby receiving stream and dam were studied between 1993 and 1995. The heavy metals studied include Cd, Mn, Fe, Co, Ni, Pb, Ag, Cu, Zn and Cr. The major cations Na+, K+, Ca2+, Mg2+, the SO4 2‐ anion, pH, alkalinity, and hardness were also determined. The results obtained confirm that seepage from the slime dam has a very strong influence on the levels of dissolved trace heavy metals in the stream and dam.

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